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src/share/vm/runtime/stackValueCollection.cpp@f95d63e2154a (annotated)

src/share/vm/runtime/stackValueCollection.cpp

Tue, 23 Nov 2010 13:22:55 -0800

author

stefank

date

Tue, 23 Nov 2010 13:22:55 -0800

changeset 2314

f95d63e2154a

parent 1907

c18cbe5936b8

child 2508

b92c45f2bc75

permissions

-rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

duke@435	1	/*
stefank@2314	2	* Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "runtime/stackValueCollection.hpp"
stefank@2314	27	#ifdef TARGET_ARCH_x86
stefank@2314	28	# include "jniTypes_x86.hpp"
stefank@2314	29	#endif
stefank@2314	30	#ifdef TARGET_ARCH_sparc
stefank@2314	31	# include "jniTypes_sparc.hpp"
stefank@2314	32	#endif
stefank@2314	33	#ifdef TARGET_ARCH_zero
stefank@2314	34	# include "jniTypes_zero.hpp"
stefank@2314	35	#endif
duke@435	36
duke@435	37	jint StackValueCollection::int_at(int slot) const {
duke@435	38	intptr_t val = at(slot)->get_int();
duke@435	39	jint ival = *((jint*) (&val));
duke@435	40	return ival;
duke@435	41	}
duke@435	42
duke@435	43	jlong StackValueCollection::long_at(int slot) const {
duke@435	44	#ifdef _LP64
duke@435	45	return at(slot+1)->get_int();
duke@435	46	#else
duke@435	47	union {
duke@435	48	jlong jl;
duke@435	49	jint array[2];
duke@435	50	} value;
duke@435	51	// Interpreter stack is reversed in memory:
duke@435	52	// low memory location is in higher java local slot.
duke@435	53	value.array[0] = at(slot+1)->get_int();
duke@435	54	value.array[1] = at(slot )->get_int();
duke@435	55	return value.jl;
duke@435	56	#endif
duke@435	57	}
duke@435	58
duke@435	59	Handle StackValueCollection::obj_at(int slot) const {
duke@435	60	return at(slot)->get_obj();
duke@435	61	}
duke@435	62
duke@435	63	jfloat StackValueCollection::float_at(int slot) const {
duke@435	64	intptr_t res = at(slot)->get_int();
duke@435	65	return *((jfloat*) (&res));
duke@435	66	}
duke@435	67
duke@435	68	jdouble StackValueCollection::double_at(int slot) const {
duke@435	69	#ifdef _LP64
duke@435	70	intptr_t res = at(slot+1)->get_int();
duke@435	71	return *((jdouble*) (&res));
duke@435	72	#else
duke@435	73	union {
duke@435	74	jdouble jd;
duke@435	75	jint array[2];
duke@435	76	} value;
duke@435	77	// Interpreter stack is reversed in memory:
duke@435	78	// low memory location is in higher java local slot.
duke@435	79	value.array[0] = at(slot+1)->get_int();
duke@435	80	value.array[1] = at(slot )->get_int();
duke@435	81	return value.jd;
duke@435	82	#endif
duke@435	83	}
duke@435	84
duke@435	85	void StackValueCollection::set_int_at(int slot, jint value) {
duke@435	86	intptr_t val;
duke@435	87	*((jint*) (&val)) = value;
duke@435	88	at(slot)->set_int(val);
duke@435	89	}
duke@435	90
duke@435	91	void StackValueCollection::set_long_at(int slot, jlong value) {
duke@435	92	#ifdef _LP64
duke@435	93	at(slot+1)->set_int(value);
duke@435	94	#else
duke@435	95	union {
duke@435	96	jlong jl;
duke@435	97	jint array[2];
duke@435	98	} x;
duke@435	99	// Interpreter stack is reversed in memory:
duke@435	100	// low memory location is in higher java local slot.
duke@435	101	x.jl = value;
duke@435	102	at(slot+1)->set_int(x.array[0]);
duke@435	103	at(slot+0)->set_int(x.array[1]);
duke@435	104	#endif
duke@435	105	}
duke@435	106
duke@435	107	void StackValueCollection::set_obj_at(int slot, Handle value) {
duke@435	108	at(slot)->set_obj(value);
duke@435	109	}
duke@435	110
duke@435	111	void StackValueCollection::set_float_at(int slot, jfloat value) {
duke@435	112	#ifdef _LP64
duke@435	113	union {
duke@435	114	intptr_t jd;
duke@435	115	jint array[2];
duke@435	116	} val;
duke@435	117	// Interpreter stores 32 bit floats in first half of 64 bit word.
duke@435	118	val.array[0] = *(jint*)(&value);
duke@435	119	val.array[1] = 0;
duke@435	120	at(slot)->set_int(val.jd);
duke@435	121	#else
duke@435	122	at(slot)->set_int(*(jint*)(&value));
duke@435	123	#endif
duke@435	124	}
duke@435	125
duke@435	126	void StackValueCollection::set_double_at(int slot, jdouble value) {
duke@435	127	#ifdef _LP64
duke@435	128	at(slot+1)->set_int(*(intptr_t*)(&value));
duke@435	129	#else
duke@435	130	union {
duke@435	131	jdouble jd;
duke@435	132	jint array[2];
duke@435	133	} x;
duke@435	134	// Interpreter stack is reversed in memory:
duke@435	135	// low memory location is in higher java local slot.
duke@435	136	x.jd = value;
duke@435	137	at(slot+1)->set_int(x.array[0]);
duke@435	138	at(slot+0)->set_int(x.array[1]);
duke@435	139	#endif
duke@435	140	}
duke@435	141
duke@435	142	#ifndef PRODUCT
duke@435	143	void StackValueCollection::print() {
duke@435	144	for(int index = 0; index < size(); index++) {
duke@435	145	tty->print("\t %2d ", index);
duke@435	146	at(index)->print_on(tty);
duke@435	147	if( at(index )->type() == T_INT &&
duke@435	148	index+1 < size() &&
duke@435	149	at(index+1)->type() == T_INT ) {
duke@435	150	tty->print(" " INT64_FORMAT " (long)", long_at(index));
duke@435	151	tty->cr();
duke@435	152	tty->print("\t %.15e (double)", double_at(index));
duke@435	153	tty->print(" " PTR64_FORMAT " (longhex)", long_at(index));
duke@435	154	}
duke@435	155	tty->cr();
duke@435	156	}
duke@435	157	}
duke@435	158	#endif